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stmmac: fix return value check in stmmac_open_ext_timer()

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In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL pointer. The NULL test in the error
handling should be replaced with IS_ERR().

dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2012-09-20 21:06:10 +00:00 committed by David S. Miller
parent 28889b7e78
commit 6861509f9f
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c
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@ -109,7 +109,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
{
timer_clock = clk_get(NULL, TMU_CHANNEL);
if (timer_clock == NULL)
if (IS_ERR(timer_clock))
return -1;
if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) {